The answer to 'what causes roof vent' is that roof vents are installed to allow hot air and moisture to escape from the attic or roof space. This helps regulate temperature and prevent issues like mold, mildew, and roof damage. Roof vents come in various types, including static vents, power vents, turbine vents, and ridge vents, each serving a specific purpose based on the home's design and ventilation needs.
Proper roof ventilation is essential to maintain a healthy, energy-efficient home. Inadequate ventilation can lead to problems like ice dams in the winter, excessive heat buildup in the summer, and premature wear and tear on the roof and other building materials.